<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script>
      function jsonpCallback(data) {
        console.log("我收到的数据了：", data);
      }
    </script>
    <script src="http://127.0.0.1:3000/jsonp_request?callback=jsonpCallback"></script>
  </head>
  <body></body>
</html>
